To be able to upgrade FW through UART, a bootloader for nrf51822 is required in my project. I have tried out the example bootloader in SDK. But this example is using softdevice...
I followed the forum posts and nan-29 to get eclipse 4.3.2 to successfully connect to JLinkGDBServer via a Segger J-Link EDU on Ubuntu Linux.
I can start the GDB server...
I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Hi,
I am reading a BMX055 via I2C which consists of three sensors with three addresses.
I got the easyDMA running to read 10 times the gyro using the PPI and the data...
Hello,
my first question is about TX carrier frequency accuracy measurement. The equation given in the whtie papers is
(|f_measured - f_programmed|) / f_programmed <=...
Why is the event length of the BLE Central HRS demo set to such a high value of 320*1.25ms = 400ms?
The demo seems to work ok with the BLE Peripheral HRS demo using the...
Does the Battery Service Client (ble_bas_c) module handle subscribing to notifications from multiple slaves? In my use case, I have the nRF52840 dev kit connecting to multiple...
I need to keep track of time on a device featuring the nRF52 and have an RTC run continuously in the background. The drift should not be more than a few seconds over a year...
Hello I try to use P0.09 as GPIO with this simple code but not working. (Works well with pin P0.08)
#include <stdbool.h>
#include <stdint.h>
#include "nrf_delay.h"
#include...
Hello,
I use the bootloader from the SDK SoftDevice 14.0.0.
I use the Laird module BL652 which have a nRF52832 component without external clock.
To compile the bootloader...
Hello Everyone,
I am working on nRF5 14.1.0 SDK, My question is how to generate "ble_app_buttonless_dfu_without_bonds_s132.zip" dfu file.
Can any one tell me the exact...
I am using nrf52832_xxaa and SDK 14.2.0.
Does app timer play a role in power optimization?
If yes, Can reducing the app_timer frequency reduce the power consumed by the...
Is there a BLE mesh SDK for nRF52840, and if yes is there anybody tested it? I'm going to switch to the nRF52840 from nRF52832 and it is very important for me to know it is...
Fanstel BT832 module mesh client stuck in nrf_mesh_sdk.c, 187, Initializing softdevice. When I upload the code on the NRF52 DK It works, but when I upload with segger embedded...
I have set up an environment to upload data to the nrfcloud using nrfconnect and the nrf52 dk.I can only upload data upto ff and then it resets to zero .The value which i...
Hello,
I`m searching for a possibility to detect a possible Flash corruption caused by a Brown out or something else? Is there any controller interal possibility to detect...
hello all
This is one of the point that causes me problems into my migration: I figured out the new logs and the SD obbervers... now this:
the 52832 advertises correctly...
